AT-x220-28GS Switch Installation Guide
11
Figure 5 shows the location of the Fault LED.
Figure 5. Fault LED on the AT-x220-28GS Switch
27
28
FAULT
POWER
USB
ON
ACT
ERR
CLASS 1
LASER PRODUCT
CONSOLE
Fault LED
Table 2 describes the functions of the Fault LED.
Table 2. Fault LED functional descriptions
LED
State
Description
Fault
Off
If the POWER LED is on, the switch is receiving
AC input power and is operating normally
Red
flashing
Indicates system warning such as a high
temperature alarm
SFP LEDs
The AT-x220-28GS switch has a total of 28 SFP ports. Each SFP port has
an SFP Link/Speed/Activity LED on the front panel. See Figure 6.
The SFP Link/Speed/Activity LEDs indicate the activity status for each
SFP slot. Each SFP slot has ONE bi-color LED:
The
left
LED corresponds to the
upper SFP
port
The
right
LED corresponds to the
lower SFP
port
Note
All of the port LEDs are OFF when the switch is operating in
ecofriendly mode. See “Ecofriendly button” on page 14 for more
information.
Содержание AT-220-28GS Series
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